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#define _GNU_SOURCE
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <errno.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <signal.h>
#include "utils.h"
static void default_xprintf(const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
fflush(stderr);
}
void (*xprintf)(const char *fmt, ...) = default_xprintf;
void barf(const char *fmt, ...)
{
char *str;
int bytes;
va_list arglist;
xprintf("FATAL: ");
va_start(arglist, fmt);
bytes = vasprintf(&str, fmt, arglist);
va_end(arglist);
if (bytes >= 0) {
syslog(LOG_CRIT, "%s\n", str);
xprintf("%s\n", str);
free(str);
}
exit(1);
}
void barf_perror(const char *fmt, ...)
{
char *str;
int bytes, err = errno;
va_list arglist;
xprintf("FATAL: ");
va_start(arglist, fmt);
bytes = vasprintf(&str, fmt, arglist);
va_end(arglist);
if (bytes >= 0) {
syslog(LOG_CRIT, "%s: %s\n", str, strerror(err));
xprintf("%s: %s\n", str, strerror(err));
free(str);
}
exit(1);
}
const char *dump_state_align(FILE *fp)
{
long len;
static char nul[8] = {};
len = ftell(fp);
if (len < 0)
return "Dump state align error";
len &= 7;
if (!len)
return NULL;
if (fwrite(nul, 8 - len, 1, fp) != 1)
return "Dump state align error";
return NULL;
}
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